超深井工程理论与技术若干研究进展及发展建议  

Research and Development Suggestions on Theory and Techniques in Ultra-Deep Well Engineering

作　　者：高德利[1] 黄文君 GAO Deli;HUANG Wenjun(MOE Key Laboratory of Petroleum Engineering(China University of Petroleum(Beijing)),Beijing,102249,China)

机构地区：[1]石油工程教育部重点实验室(中国石油大学(北京)),北京102249

出　　处：《石油钻探技术》2024年第2期1-11,F0003,共12页Petroleum Drilling Techniques

基　　金：国家自然科学基金重大项目课题“深海多金属结核采输系统总体设计理论与风险防控方法”(编号:52394255);国家自然科学基金优秀青年科学基金项目“油气井管柱力学与工程”(编号:52222401)联合资助。

摘　　要：超深井工程受到高温高压、复杂地层、超长井眼和腐蚀介质等多重因素约束,其安全高效作业面临全方位的技术挑战。为此,针对超深井工程的安全高效设计控制问题,介绍了该工程的发展概况与技术特点;选取井眼轨迹预测与防斜打快、钻柱振动特性分析与减振控制、钻井延伸极限预测与设计控制,以及套管失效风险评估与安全控制等几个重要理论与技术问题,介绍了国内外的相关研究进展及笔者团队的最新研究成果;然后,针对超深井工程提出了若干创新发展建议。研究结果表明,超深井工程理论与技术的发展整体呈现出体系化、科学化、多学科交叉、地质与工程一体化等基本特点。建议在基础理论问题、关键核心技术、技术协同关系、技术迭代模式和多学科交叉融合等方面加强创新研究,以持续推进超深井工程基础理论与关键技术创新发展。Ultra-deep well engineering is constrained by multiple factors such as high temperature and high pressure,complicated formations,ultra-long wellbores,and corrosive medium,resulting in all-around technical challenges for safe and efficient operations.Therefore,In view of the safe and efficient design control problems in ultra-deep well engineering was studied,the development overview and technical characteristics of ultra-deep well engineering were summarized.Several important theoretical and technical issues were introduced,including well trajectory prediction and fast drilling with deviation prevention,characteristic analysis and control technology of downhole drilling string vibration,prediction and design control techniques of drilling extension limit,and casing failure risk assessment and safety control,etc.In addition,research progress in China and abroad,and the latest research results of the authors’team were introduced.Finally,some suggestions were put forward on innovative development for ultra-deep well engineering.The results suggest that the overall development of theory and techniques in ultra-deep well engineering have the typical characteristics of systematic,scientific,interdisciplinary and geologyengineering integration.Strengthening the innovative research on fundamental theoretical issues is recommended,along with key and core techniques,technological collaboration relationships,technological iteration modes,and interdisciplinary integration,so as to promote the continuous innovative development of basic theory and key techniques in ultra-deep well engineering.

关 键 词：超深井工程 钻井 完井 防斜打快 钻柱振动 钻井延伸极限 套管失效 

分 类 号：TE245[石油与天然气工程—油气井工程]